AUSTIN GAJEWSKI DO
NPI 1992292429
Internal Medicine in Tulsa, OK
About Austin Gajewski Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AUSTIN GAJEWSKI DO (NPI 1992292429) is an individual internal medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (7796) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Austin Gajewski Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Austin Gajewski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 48 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 210 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hillcrest Medical Center
Acute Care Hospitals · Tulsa, OKHillcrest Hospital Pryor
Acute Care Hospitals · Pryor, OKHillcrest Hospital Claremore
Acute Care Hospitals · Claremore, OKHillcrest Hospital South
Acute Care Hospitals · Tulsa, OKBailey Medical Center, LLC
Acute Care Hospitals · Owasso, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Austin Gajewski's NPI number?
The NPI number for Austin Gajewski is 1992292429. It was assigned to this individual provider in the NPPES registry on April 19, 2018.
Where is Austin Gajewski located?
Austin Gajewski practices at 1120 S Utica Ave, Tulsa, OK 74104. The listed phone number is (918) 579-1000.
What is Austin Gajewski's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Austin Gajewski enrolled in Medicare?
Yes. Austin Gajewski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Austin Gajewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Austin Gajewski reassigns Medicare benefits to 3 organizations: Oklahoma Infectious Disease Specialists, LLC (Tulsa, OK), Tulsa Hospital Medicine Physicians Group, LLC (Tulsa, OK) and Dean Health Systems, Inc (Madison, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Austin Gajewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Austin Gajewski accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Austin Gajewski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Austin Gajewski affiliated with any hospitals?
According to CMS data, Austin Gajewski is affiliated with Hillcrest Medical Center, Hillcrest Hospital Pryor, Hillcrest Hospital Claremore, Hillcrest Hospital South and Bailey Medical Center, LLC.
When was this NPI record last updated?
The NPPES record for Austin Gajewski was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Austin Gajewski, DO · NPI 1992292429
Internal Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since April 19, 2018.
## Identity
- **NPI:** 1992292429 (Entity type: Individual)
- **Enumerated:** April 19, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 7796 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1120 S UTICA AVE, Tulsa, OK 74104-4090
- **Phone:** (918) 579-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Oklahoma Infectious Disease Specialists, LLC (NPI 1497417067, Tulsa, OK); Tulsa Hospital Medicine Physicians Group, LLC (NPI 1144982711, Tulsa, OK); Dean Health Systems, Inc (NPI 1053358846, Madison, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 17, 2025
- **Other identifiers:** Medicaid 1992292429 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1992292429) · Data from the CMS NPPES public registry.